6 Application Instructions API 00-49
DVP-PLC Application Manual
6-46
API Mnemonic
Operands
Function
30
D ROR P
Rotation Right
Controllers
ES/EX/SS SA/SX/SC EH/SV
Bit Devices
Word Devices
Program Steps
Type
OP
X Y M S K H
KnX
KnY
KnM KnS T C D E F
D
*
*
*
*
*
*
*
*
n
*
*
ROR, RORP: 5 steps
DROR, DRORP: 9 steps
PULSE 16-bit 32-bit
ES EX SS SA SX SC EH SV ES EX SS SA SX SC EH SV ES EX SS SA SX SC EH SV
Operands:
D
: Device to be rotated
n
: Number of bits to be rotated in 1 rotation
Explanations:
1. If
D
is used in device F, only 16-bit instruction is applicable.
2. If
D
is designated as KnY, KnM, and KnS, only K4 (16-bit) and K8 (32-bit) are valid.
3. Range
of
n
: K1 ~ K16 (16-bit); K1 ~ K32 (32-bit)
4.
See the specifications of each model for their range of use.
5.
Flag: M1022 (carry flag)
6.
This instruction rotates the device content designated by
D
to the right for
n
bits.
7.
This instruction adopts pulse execution instructions (RORP, DRORP).
Program Example:
When X0 = Off
→
On, the 16 bits (4 bits as a group) in D10 will rotate to the right, as shown in the figure below. The bit
marked with
※
will be sent to carry flag M1022.
0 1 1
1 0
1 0 1
0
0 1
1
1
0 0
1
0
1 0 1 1
1 0
0 1
1
1
1
0
0
1
0
0
h igher
bit
lower bit
h igher
bit
lower bit
X0
RORP
D10
K4
Rotate to the right
16 bits
Carry
flag
Carry
flag
After one rotation
to the right
D10
D10
Содержание DVP-PLC
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